1988-1998 Silverado & Sierra Harness & Extensions

"PAIR" Silverado & Sierra 12" O2 Extensions (2016-2018 GM Truck & SUV)
"PAIR" Silverado & Sierra 12" O2 Extensions | (2016-2018 GM Truck & SUV)
$39.99
"PAIR" LS2 & LS3 Triangle O2 Extension (24")
"PAIR" LS2 & LS3 Triangle O2 Extension | (24")
$39.99
"PAIR" 12" O2 Extension (2016+ Camaro & 2016-19 CTS V)
"PAIR" 12" O2 Extension | (2016+ Camaro & 2016-19 CTS V)
$39.99
269 Motorsports Electric Dual Fan Upgrade Wiring Harness ECU
269 Motorsports Electric Dual Fan Upgrade Wiring Harness ECU
$39.99
"PAIR" 24" White Square O2 Extension (04-06 GTO, 09-15 CTS-V)
"PAIR" 24" White Square O2 Extension | (04-06 GTO, 09-15 CTS-V)
$39.99
"PAIR" LS1, LT1 Camaro & Firebird Black Square O2 Extension (24" Length)
"PAIR" LS1, LT1 Camaro & Firebird Black Square O2 Extension | (24" Length)
$39.99
LS Ignition Coil Harness
LS Ignition Coil Harness
$19.99
4L60E to 4L80E Transmission Adapter Harness
4L60E to 4L80E Transmission Adapter Harness
$29.99
"PAIR" LT1 Camaro/LS1 Corvette 24" O2 Extension (Flat Connector)
"PAIR" LT1 Camaro/LS1 Corvette 24" O2 Extension | (Flat Connector)
$39.99
LS Truck to EV6 Injector Adapter Harness (8 Pack)
LS Truck to EV6 Injector Adapter Harness | (8 Pack)
$19.99
EV6 to EV1 Fuel Injector Connector Adapter (8 Pack)
EV6 to EV1 Fuel Injector Connector Adapter | (8 Pack)
$14.99
LS Truck to EV1 Injector Adapter Harness (8 Pack)
LS Truck to EV1 Injector Adapter Harness | (8 Pack)
$19.99
LS1 to LS3 MAP Sensor Adapter Harness
LS1 to LS3 MAP Sensor Adapter Harness
$14.99
LS1 to LS3 Mass Air Flow Adapter Harness w/IAT
LS1 to LS3 Mass Air Flow Adapter Harness w/IAT
$14.99
EV1 to EV6 Fuel Injector Connector Adapter (8 Pack)
EV1 to EV6 Fuel Injector Connector Adapter | (8 Pack)
$14.99
LS2 to LS3/LS7 Mass Air Flow Adapter Harness
LS2 to LS3/LS7 Mass Air Flow Adapter Harness
$14.99
LS/Vortec Engine PCM With Programming (Red/Blue) 411 P01
LS/Vortec Engine PCM With Programming| (Red/Blue) 411 P01
$210.00
GEN III LS (24X) DRIVE-BY-CABLE 4L60/80E & 5 PIN MAF STANDALONE HARNESS
GEN III LS (24X) DRIVE-BY-CABLE 4L60/80E & 5 PIN MAF STANDALONE HARNESS
$549.99
LS Camshaft, Crankshaft, & MAP Sensor Harness Extension 24" Length
LS Camshaft, Crankshaft, & MAP Sensor Harness Extension | 24" Length
$14.99
LS1 Knock Sensor Extension Harness
LS1 Knock Sensor Extension Harness
$14.99
GEN III LS (24X) DRIVE-BY-WIRE *8 PIN THROTTLE* 4L60/80E STANDALONE HARNESS
GEN III LS (24X) DRIVE-BY-WIRE *8 PIN THROTTLE* 4L60/80E STANDALONE HARNESS
$579.99
LS1 Idle Air Control Valve Extension Harness
LS1 Idle Air Control Valve Extension Harness
$14.99
LS1 to GEN 3 LS Mass Air Flow Adapter Harness w/IAT
LS1 to GEN 3 LS Mass Air Flow Adapter Harness w/IAT
$14.99
EV1 Harness to EV6 Injector Adapter Harness (8 Pack)
EV1 Harness to EV6 Injector Adapter Harness | (8 Pack)
$19.99
T56 CAGS Bypass Skip Shift Eliminator Harness (Camaro, Corvette, GTO, G8)
T56 CAGS Bypass Skip Shift Eliminator Harness | (Camaro, Corvette, GTO, G8)
$11.99
LS1 Knock & Camshaft Sensor Conversion Harness
LS1 Knock & Camshaft Sensor Conversion Harness
$14.99
Classic LS Intake Kit
Classic LS Intake Kit
$699.99
2014-22 Gen V LT1 / L83 / L84 / L86 / L87 Harness 5.3/6.2/6.6
2014-22 Gen V LT1 / L83 / L84 / L86 / L87 Harness| 5.3/6.2/6.6
$899.99
LS Camshaft, Crankshaft, & MAP Sensor Harness Extension 36" Length
LS Camshaft, Crankshaft, & MAP Sensor Harness Extension | 36" Length
$14.99
LS1 Throttle Position, Oil Pressure, Coolant Sensor Harness Extension
LS1 Throttle Position, Oil Pressure, Coolant Sensor Harness Extension
$14.99
LS1 to LS2/Truck Mass Air Flow Adapter Harness w/IAT
LS1 to LS2/Truck Mass Air Flow Adapter Harness w/IAT
$14.99
GEN III LS (24X) DRIVE-BY-CABLE MANUAL & 5 PIN MAF STANDALONE HARNESS
GEN III LS (24X) DRIVE-BY-CABLE MANUAL & 5 PIN MAF STANDALONE HARNESS
$549.99
Gen 3 99-07 LS Vortec Engine Controller Kit Drive By Wire W/ 4L60E/4L80E
Gen 3 99-07 LS Vortec Engine Controller Kit| Drive By Wire W/ 4L60E/4L80E
$1,499.99
Gen 3 99-07 LS Vortec Engine Controller Kit Drive By Cable W/ 4L60/4L80
Gen 3 99-07 LS Vortec Engine Controller Kit| Drive By Cable W/ 4L60/4L80
$1,099.99
EV6 Harness to EV1 Injector Adapter Harness
EV6 Harness to EV1 Injector Adapter Harness
$9.99
LS2 Mass Air Flow Extension Harness
LS2 Mass Air Flow Extension Harness
$14.99
LS1 & LT1 (3-Wire) Mass Air Flow Sensor Harness Extension (24" Length)
LS1 & LT1 (3-Wire) Mass Air Flow Sensor Harness Extension | (24" Length)
$14.99
"PAIR" Silverado & Sierra 12" O2 Extensions (2019-2024 GM Truck & SUV)
"PAIR" Silverado & Sierra 12" O2 Extensions | (2019-2024 GM Truck & SUV)
$39.99
E67 ECM LSA (2009-Newer)
E67 ECM LSA (2009-Newer)
$274.00
E38 LS3/L76/Vortec Engine PCM (2006+)
E38 LS3/L76/Vortec Engine PCM (2006+)
$274.00
E92 ECM LT1/L83/L86 (2017+ 3 Wire)
E92 ECM LT1/L83/L86 (2017+ 3 Wire)
$425.00
E92 ECM LT1/L83/L86 (2014-17 4 Wire)
E92 ECM LT1/L83/L86 (2014-17 4 Wire)
$425.00
LS2 Engine E40 ECM With Programming (2005/2006)
LS2 Engine E40 ECM With Programming| (2005/2006)
$950.00
Vortec Engine PCM With Programming (Green/Blue) P59 242
Vortec Engine PCM With Programming| (Green/Blue) P59 242
$210.00
2014-21 Gen V LT4 Supercharged Standalone Harness 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
$899.99
2009-2015 LSA SUPERCHARGED 58X w/ 6L80E/6L90E Standalone Harness
2009-2015 LSA SUPERCHARGED 58X w/ 6L80E/6L90E Standalone Harness
$819.00
"Classic Style" Standalone LS Engine Harness
"Classic Style" Standalone LS Engine Harness
$609.99
GEN IV (58X) LS Engine w/ Manual Standalone Harness
GEN IV (58X) LS Engine w/ Manual Standalone Harness
$569.99
GEN IV (58X) LS Engine w/ Automatic Standalone Harness
GEN IV (58X) LS Engine w/ Automatic Standalone Harness
$659.99
GEN III LS (24X) DRIVE-BY-WIRE *8 PIN THROTTLE* MANUAL STANDALONE HARNESS
GEN III LS (24X) DRIVE-BY-WIRE *8 PIN THROTTLE* MANUAL STANDALONE HARNESS
$579.99
Gen V LT1 Engine Controller Kit
Gen V LT1 Engine Controller Kit
$1,814.99
Gen 4 (58X) LSA Supercharged 2009+ Engine Controller Kit
Gen 4 (58X) LSA Supercharged 2009+ Engine Controller Kit
$1,524.99
Gen 4 (58X) LSX 2007+ With 6L80/90E Engine Controller Kit
Gen 4 (58X) LSX 2007+ With 6L80/90E Engine Controller Kit
$1,499.99
Gen 4 (58X) LSX 2007+ With T56/Manual Non Electric Trans - Engine Controller Kit
Gen 4 (58X) LSX 2007+ With T56/Manual Non Electric Trans - Engine Controller Kit
$1,399.99
Gen 4 (58X) LSX 2007+ With 4L60E-75/4L80E Engine Controller Kit
Gen 4 (58X) LSX 2007+ With 4L60E-75/4L80E Engine Controller Kit
$1,499.99
Gen 3 99-07 LS Vortec Engine Controller Kit Drive By Wire W/ T56/T5/TH350/TH400/700R4
Gen 3 99-07 LS Vortec Engine Controller Kit| Drive By Wire W/ T56/T5/TH350/TH400/700R4
$1,499.99
Gen 3 99-07 LS Vortec Engine Controller Kit Drive By Cable W/ T56/T5/TH350/TH400/700R4
Gen 3 99-07 LS Vortec Engine Controller Kit| Drive By Cable W/ T56/T5/TH350/TH400/700R4
$1,099.99
CAGS Bypass Skip Shift Eliminator Plug Kit 1989-96 (Corvette)
CAGS Bypass Skip Shift Eliminator Plug Kit | 1989-96 (Corvette)
$9.99
LS1 to LS2 Ignition Coil Adapter Harness
LS1 to LS2 Ignition Coil Adapter Harness
$11.99
LS1 Intake Air Temperature Sensor Wire Harness Extension 24" Length
LS1 Intake Air Temperature Sensor Wire Harness Extension | 24" Length
$13.99
LS1 Intake Air Temperature Sensor Wire Harness Extension 12" Length
LS1 Intake Air Temperature Sensor Wire Harness Extension | 12" Length
$11.99
LS1 Cooling Fan Pigtail
LS1 Cooling Fan Pigtail
$9.99

1988-1998 Silverado & Sierra Harness & Extensions